Leflunomide EP Impurity G

Name: Leflunomide EP Impurity G
Brand: Vaqora Chemicals
SKU: VQ-022944

About Leflunomide EP Impurity G

Listed under CAS 724429-16-7, Leflunomide EP Impurity G is a pharmacopeial impurity of Leflunomide available from Vaqora Chemicals. The compound has the formula C12H12N2O2, corresponding to a molecular weight of 216.24 g/mol. Its systematic (IUPAC) name is 5-methyl-N-(4-methylphenyl)-1,2-oxazole-4-carboxamide. It is also known as Leflunomide - Impurity G or Leflunomide Impurity G.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

This Leflunomide impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Leflunomide EP Impurity G in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Leflunomide

View every impurity, metabolite and intermediate we list for Leflunomide.

Leflunomide impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Leflunomide EP Impurity G
Catalogue No.	VQ-022944
CAS Number	724429-16-7
IUPAC name	5-methyl-N-(4-methylphenyl)-1,2-oxazole-4-carboxamide
Molecular formula	C₁₂H₁₂N₂O₂
Molecular weight	216.24 g/mol
Exact mass	216.0899
Grade	Reference Standard
HSN code	38229090
InChIKey	MIOYDAUCMWWNRH-UHFFFAOYSA-N
SMILES	CC1=CC=C(C=C1)NC(=O)C2=C(ON=C2)C
PubChem CID	850271

Physical properties
Physical form	Solid
LogP (XLogP3)	2
H-bond donors / acceptors	1 / 3
TPSA	55.1 Å²
Synonyms	Leflunomide - Impurity G, 5-Methyl-N-(4-methylphenyl)isoxazole-4-carboxamide, 4-Isoxazolecarboxamide, 5-methyl-N-(4-methylphenyl)-, Leflunomide Impurity G, 5-methyl-N-(4-methylphenyl)-4-isoxazolecarboxamide

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Leflunomide EP Impurity G?

The CAS Registry Number of Leflunomide EP Impurity G is 724429-16-7. It is also known as Leflunomide - Impurity G, 5-Methyl-N-(4-methylphenyl)isoxazole-4-carboxamide, 4-Isoxazolecarboxamide, 5-methyl-N-(4-methylphenyl)-.

What is the molecular formula and molecular weight of Leflunomide EP Impurity G?

Leflunomide EP Impurity G has the molecular formula C12H12N2O2 and a molecular weight of 216.24 g/mol. Its IUPAC name is 5-methyl-N-(4-methylphenyl)-1,2-oxazole-4-carboxamide.

What is Leflunomide EP Impurity G used for?

Leflunomide EP Impurity G is supplied as a characterised reference material related to Leflunomide. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Leflunomide EP Impurity G can I order?

We supply Leflunomide EP Impurity G in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Leflunomide EP Impurity G?

Yes. Every lot of Leflunomide EP Impurity G is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Leflunomide EP Impurity G be shipped internationally?

Yes. Leflunomide EP Impurity G is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.